Duke Hartmann of Upper Burgundy

Duke Hartmann of Upper Burgundy (1298-) was the Duke of Upper Burgundy under the Holy Roman Empire.

Biography
Hartmann was born in 1298, the son of Lord Mayor Hartmann of Schwyz and Elisabeth von Urach. Hartmann was a member of the House of Habsburg, and his father and grandfather both serves as lord mayors of what is now the Canton of Schwyz in northern Switzerland (then a part of the Holy Roman Empire). Hartmann was created Duke of Upper Burgundy by King Henry VII of Germany, holding the title from a young age.